Home / 11,059.99-15,282.21-8,840.18

Finding the Fourth Proportional to 11,059.99, 15,282.21 and 8,840.18

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Solution

The fourth proportional to 11,059.99, 15,282.21 and 8,840.18 is: 12,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.99 : 15,282.21 = 8,840.18 : x
  2. Step 2: Convert to fraction form
    11,059.99/15,282.21 = 8,840.18/x
  3. Step 3: Cross multiply
    11,059.99x = 15,282.21 × 8,840.18
  4. Step 4: Simplify right side
    11,059.99x = 135,097,558.55
  5. Step 5: Solve for x
    x = 135,097,558.55/11,059.99
  6. Step 6: Final answer
    x = 12,214.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.